now the obama administration has started what appears to be a terrorist hunt in libya. we've got 50 marines heading there to protect the embassy in tripoli. the f.b.i. is launching a full investigation. agents are being sent to sift through the wreckage for evidence. now two war ships armed with cruise missiles taking positions off the libyan coast. so clearly these protests escalating in the middle east. what you were seeing that was happening in yemen seems to be escalating by the minute. hopefully nobody else gets injured. we will be watching this and monitoring the situation. i'll have the very latest coming up at 6:00. >> kristin fisher with the update if our satellite center. >>> some libyans rallied in support of america. demonstrators held signs expressing their simp patties and say -- sympathies and saying the consulate attack was not in accordance with islamic beliefs. others spoke of the work stevens had done. >>> in cairo, egypt, as kristin was telling us, police fired tear gas and warning shots this morning to disperse protesters. egypt state news agency re